When it comes to defining sexy, the Victoria's Secret Angels know their stuff. The gorgeous gang revealed the brand's list of "What Is Sexy" in 2013, covering favored features like legs, smiles, hair and more.

Not to be outdone by the winners, Karlie Kloss and her co-workers stripped down to bras and crop tops for the big unveiling. Watch them confess the obvious (sexiest singer: Beyonce, "of course;" sexiest sense of humor: Jennifer Lawrence), the unexpected (sexiest import: Emilia Clarke) and many more in the video below, and read the full "What Is Sexy" list beneath and at Victoria's Secret's website.